/usr/include/dovecot/iostream-temp.h is in dovecot-dev 1:2.2.9-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | #ifndef IOSTREAM_TEMP_H
#define IOSTREAM_TEMP_H
enum iostream_temp_flags {
/* if o_stream_send_istream() is called with a readable fd, don't
actually copy the input stream, just have iostream_temp_finish()
return a new iostream pointing to the fd dup()ed */
IOSTREAM_TEMP_FLAG_TRY_FD_DUP = 0x01
};
/* Start writing to given output stream. The data is initially written to
memory, and later to a temporary file that is immediately unlinked. */
struct ostream *iostream_temp_create(const char *temp_path_prefix,
enum iostream_temp_flags flags);
/* Finished writing to stream. Return input stream for it and free the
output stream. */
struct istream *iostream_temp_finish(struct ostream **output,
size_t max_buffer_size);
#endif
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